RIVER GAUGE · MOREAU RIVER (SD)
Moreau River (SD) near Whitehorse
Dewey County, South Dakota
Water level0.98 ft
Flow—
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action19 ft13,440 cfs
Minor flood21 ft14,870 cfs
Moderate flood23 ft19,360 cfs
Major flood25 ft24,810 cfs
The past week
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What floods at each level
- 25.8 ft
Major flooding of rural and pasture lands will occur as the banks on both sides of the river will be overtopped
- 25 ft
The water level will reach the low steel on the highway bridge at the gauging location. Water is over the road on both sides of the bridge
- 23 ft
Large amounts of pasture land on the right bank of the river are flooded
- 21 ft
Low-lying pasture lands along the river begin to flood
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 24, 2019 | 27.79 ft | — |
| Mar 20, 1997 | 27.68 ft | — |
| Mar 19, 2011 | 26.92 ft | 34,200 cfs |
More on Moreau River (SD)
UpstreamMoreau River (SD) near Faith
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